US Bridges

Upper Kingtown RD over Capoolong Creek

FairPosted for load

Hunterdon County, New Jersey · 0.1 MI East of CR 513 · Structure no. 10XXF48

Built
1919
106 years old, rebuilt 2003
Condition
Fair
inspected June 2023
Type
Truss - Thru
Steel
Length
50 ft
1 main span
Daily traffic
636
2023 count
Owner
County
County Highway Agency

About this bridge

Upper Kingtown RD over Capoolong Creek is a steel truss - thru carrying Upper Kingtown RD over Capoolong Creek in Hunterdon County, New Jersey. It was built in 1919 and reconstructed in 2003, so it is 106 years old, older than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 636 vehicles a day, roughly 3% of them trucks, projected to reach 763 by 2043. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesUpper Kingtown RD
CrossesCapoolong Creek
Location0.1 MI East of CR 513
CountyHunterdon County
StateNew Jersey
Coordinates40.59357, -74.94497
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic636 (2023)
Projected traffic763 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$812,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Upper Kingtown RD over Capoolong Creek built?

It was built in 1919, making it 106 years old in 2025. It was reconstructed in 2003.

What condition is Upper Kingtown RD over Capoolong Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Upper Kingtown RD over Capoolong Creek carry?

About 636 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Upper Kingtown RD over Capoolong Creek?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 16 ft wide.

Who owns Upper Kingtown RD over Capoolong Creek?

It is owned by the County Highway Agency.